What integer is equivalent to 25 3/2

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply